Marware today announced the release of the SportFolio Extreme neoprene case for the new 17″ PowerBook G4. The case “offers rugged, high-tech neoprene construction with a built-in plastic shell for impact protection. The exterior features an easily accessible front pocket, a back zippered pocket and a vulcanized rubber bottom and sides for a secure grip. The case zips closed to hold its contents securely. The all-black interior features a soft, plush fabric, and a large pocket. A removable black shock-absorbing shoulder strap is included.” The SportFolio Extreme is shipping now for US$57.95.